19696300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 46785200

約数和(自身を除く): 27088900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 109, 130, 139, 218, 260, 278, 325, 436, 545, 556, 650, 695, 1090, 1300, 1390, 1417, 1807, 2180, 2725, 2780, 2834, 3475, 3614, 5450, 5668, 6950, 7085, 7228, 9035, 10900, 13900, 14170, 15151, 18070, 28340, 30302, 35425, 36140, 45175, 60604, 70850, 75755, 90350, 141700, 151510, 180700, 196963, 303020, 378775, 393926, 757550, 787852, 984815, 1515100, 1969630, 3939260, 4924075, 9848150, 19696300]

約数ペア:

[(1, 19696300), (2, 9848150), (4, 4924075), (5, 3939260), (10, 1969630), (13, 1515100), (20, 984815), (25, 787852), (26, 757550), (50, 393926), (52, 378775), (65, 303020), (100, 196963), (109, 180700), (130, 151510), (139, 141700), (218, 90350), (260, 75755), (278, 70850), (325, 60604), (436, 45175), (545, 36140), (556, 35425), (650, 30302), (695, 28340), (1090, 18070), (1300, 15151), (1390, 14170), (1417, 13900), (1807, 10900), (2180, 9035), (2725, 7228), (2780, 7085), (2834, 6950), (3475, 5668), (3614, 5450)]